Barrow
A male pig castrated before sexual maturity.
Bitch
A female dog, fox, wolf, or other canine.
Boar
A male pig that has not been castrated.
Bovine
An animal of the family Bovidae ; a cow, bull, steer, calf or ox.
Buck
A male sheep, rabbit, deer or antelope.
Bull
An uncastrated male bovine.
Calf
The young of certain large mammals including bovine animals.
Capon
A cockerel castrated to fatten it for the market.
Caprine
Of or pertaining to goats.
Canine
A member of the dog family; includes dogs, wolves, foxes, jackals, etc.
Castrate
To remove the testicles or destroy their use.
Chick
A young chicken.
Classification
The forming, sorting, apportioning, grouping, or dividing of objects into classes to form an ordered arrangement of items having a defined range of characteristics.
Cockerel
A male chicken less than one year old.
Colt
A young male horse, ass, or mule under four years of age.
Cow
The mature, female bovine.
Dichotomous key
A key for the identification of organisms based on a series of choices between alternative characters.
Doe
A female goat, rabbit, or deer.
Equine
Pertaining to, or resembling, a horse or other member of the family Equidae.
Ewe
A female sheep of any age.
Feline
Belonging or pertaining to the cat family, Felidae.
Filly
A young immature female horse.
Foal
The unweaned young of the horse or mule.
Gelding
A castrated male horse.
Gib
A castrated cat.
Gilt
A name for a young female pig until it produces its first offspring, when it becomes a sow.
Heifer
The young female of the cattle species, usually applies to the female that has not yet had a calf.
Hen
A female fowl; specifically, the female domestic fowl valued for its egg production.
Kid
A young goat.
Kitten
A young cat.
Lamb
The young of sheep; specifically, a young ovine that has not yet acquired the front pair of permanent incisor teeth.
Mare
A mature female horse.
Ovine
An animal of the subfamily Ovidae; sheep.
Porcine
Refers to swine.
Poultry
Any or all domesticated fowls that are raised primarily for their meat, eggs, or feathers, as chickens,turkeys, ducks, and geese.
Pullet
An immature female chicken.
Pup
A young dog; puppy.
Queen
Female cat.
Ram
A male sheep, which has not been castrated, usually used for breeding.
Sow
A female swine, usually one that shows evidence of having produced pigs or one that is obviously pregnant.
Stallion
A male horse used for breeding purposes.
Steer
A male bovine castrated before reaching puberty.
Taxonomy
The science of classification of organisms and other objects and their arrangement into systematic groups such as species, genus, family, and order.
Tom
The male of certain animals, such as the tomcat.
Wether
A male sheep or goat castrated before it reaches maturity or develops male characteristics.